A realistic sky replacement is allowed on most MLSs, but it isn't label-free everywhere. California's AB 723 exempts only edits such as exposure, colour and straightening that do not change how the property looks, and a new sky is not on that list. In California, label images with a replaced sky and link to the original. Elsewhere, adding a label takes one line of caption and leaves no room for argument. Never use a sky replacement to conceal the area's actual weather conditions or to add a sunset where the sun does not set.
Sky replacement is the most common edit in listing photos, and the rules surrounding it are the least clear-cut. Everything below links to its source page and reflects the position as at September 2026.
How common is sky replacement?
An analysis by the real estate technology company Coraly, reported by Realtor.com, examined almost 40,000 primary listing images. Almost 11% showed signs of digital alteration. Sky replacement accounted for 69% of the altered images, and more than 90% of altered images had no visible disclosure.
One reason it is so common is that many trusted sources recommend it. Zillow's photography tips for sellers still say "Swap a grey sky for a blue sky" if you shot on a cloudy day.
Is sky replacement legal?
| Source | What it says about skies | What I'd do |
|---|---|---|
| California AB 723 (law) | Covers images altered "to add, remove, or change elements." Exempts lighting, colour, exposure and similar edits only if they do not change the depiction of the property. Skies are not specifically mentioned either way. | Label it and link to the original |
| Stellar MLS (Florida) | Twilight skies are permitted if the sunset or sunrise matches where the sun actually is. Adding elements beyond the owner's control is prohibited. | Match the sun's direction; label the image |
| Canopy MLS (Charlotte) | Bans adding views or elements "not physically possible," such as a skyline that cannot be seen from the house | Never add a view when replacing the sky |
| BoxBrownie (2024 blog) | A realistic replacement does not require disclosure, but one that misrepresents the local weather is unethical | Written before AB 723 came into force |
| Zillow tips for sellers | Suggests replacing a grey sky with a blue one | Zillow's July 2026 post also supports clear disclosure of material AI edits |
Sources: AB 723, Stellar MLS Article 04.04, Canopy MLS, BoxBrownie's sky replacement post (March 2024) and Zillow's July 2026 post.
The honest summary is this: none of the sources I read bans a realistic sky swap, and California law does not exempt it. The law's own list of permitted edits covers adjustments to the original image. A sky from another photo is something you have added.
When a sky swap crosses the line
Even the most permissive source has limits. BoxBrownie's post describes it as unethical to place a clear blue sky over a house "in a region known for frequent overcast weather," or to use skies that are "overly dramatic or unrealistic." There are a few more restrictions:
- Wrong sun. A sunset glowing behind an east-facing house fails Stellar's test.
- A new view. A skyline, a mountain or a body of water that isn't visible from the house. Canopy and Stellar both prohibit this.
- Hiding something. Using the new sky to obscure power lines, a cell tower or the neighbouring building. AB 723 identifies utility poles and neighbouring properties in its definition.
- Weather that hides a problem. Blue skies and bright sunlight over a roof that's visibly worn in person. The house matters more than the sky.
Restoring the sky vs replacing it
There's a middle ground, and California law treats it differently. If the sky was blue when you took the photo but appeared white because the camera exposed for the house, bringing back that blue is an exposure correction. This is the type of adjustment AB 723 exempts. Replacing the sky with clouds from a stock photo is not exempt.
Several ways to retain the real sky:
- Shoot at the right time. With the sun behind you, the sky looks blue naturally. Exterior photos explains which time of day suits the property's aspect.
- Let HDR do its job. Apple says the iPhone blends several exposures "to bring more highlight and shadow detail" to a photo, and it's on by default. See taking listing photos with an iPhone.
- Reduce highlights when editing. Lowering the highlights restores detail in a bright sky without inventing anything. Our guide to fixing dark photos covers the same technique for windows.
- Come back on another day. For a listing that can wait, a second visit to photograph the front of the house under a blue sky costs nothing.
If you do replace the sky
- Choose a sky that's typical of the location and season. No dramatic sunsets in midday shots.
- Keep the sun in its true position, and check that the shadows on the house are consistent with it.
- Don't use the sky to conceal wires, poles, towers or neighbours.
- Label it. "Sky digitally replaced" in the caption is enough for most property portals. Our disclosure wording guide includes templates.
- In California, include the statement and a link to the original, as the AB 723 guide explains.
Why Real Estate Camera doesn't replace skies
Real Estate Camera is our app, and it deliberately has no sky replacement. Enhance fixes exposure, white balance and verticals, and recovers window detail from the photo you took. It keeps the real sky. A grey day stays grey.
That's a real limitation if your market expects blue skies on every listing. We chose it because a buyer who pulls up in the rain to a house they saw under a perfect sky starts doubting the rest of the photos. Enhance costs 1 credit per photo; see pricing. For dusk shots, read twilight real estate photos. To check whether someone else's listing has a swapped sky, see how to tell if listing photos are AI-edited.
For what Enhance does and doesn't change, see AI real estate photo editing.
See what Enhance does to your own exterior shot on a grey day. Start free: 1 credit.
Questions
Is sky replacement allowed in real estate photos?
Usually, but not always without a label. No MLS rule I have seen bans a realistic sky replacement outright. California's AB 723 exempts only edits such as exposure and colour that do not change how the property is represented, and a new sky is not on that list, so in California, label the image and link to the original.
Do I have to disclose a sky replacement?
In California, the safest interpretation of AB 723 is that disclosure is required. Elsewhere, opinion within the industry is divided: BoxBrownie wrote in 2024 that a realistic sky needs no disclosure, while California's newer law covers any element that has been added or changed. Adding a label takes just one line of caption.
How common is sky replacement in listing photos?
Very common. An analysis by Coraly, reported by Realtor.com, found that almost 11% of nearly 40,000 primary listing images showed signs of alteration, with sky replacement accounting for 69% of the altered images. More than 90% showed no visible disclosure.
What's the difference between editing the sky and replacing it?
Editing adjusts the sky in your original photo: restoring blue tones that were blown out, or reducing glare. Replacing uses a sky from another photograph instead. California's law excludes exposure and colour adjustments that do not change the property's representation, so restoring your own sky is a safer edit than replacing it.



